Can somebody help me correct these sentences?

[scott833]

1) What is the balance due in my account?
2) What is the unpaid balance in my account?
3) What is the amount due in my account?

 

[Barb_D]

1) What is the balance due in my account?
2) What is the unpaid balance in my account?
3) What is the amount due in my account?

1 - "On" instead of "in."
2 - "Of" instead of "in."
3 - "On" instead of "in."